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Thermo Fisher Scientific Inc. planned insider sales

In the last twelve months insiders at Thermo Fisher Scientific Inc. filed 31 Form 144 notices of planned sales, 305,646 shares worth $171.9 million at the time of filing, from 8 sellers. The latest, filed 28 October 2026: Britt Lisa P. (officer), 2,831 shares worth $2.0 million, planned for around 28 October 2026 through Fidelity Brokerage Services LLC.

FiledSellerRelationshipSharesValuePlanned saleSold, per Form 4BrokerHow acquiredFiling
28 October 2026Britt Lisa P.Officer2,831$2.0 million28 October 20262,831 shares from 28 October 2026Fidelity Brokerage Services LLCRestricted Stock VestingForm 144
31 August 2026Pettiti GianlucaOfficer4,133$2.5 million31 August 20264,133 shares from 31 August 2026Fidelity Brokerage Services LLCRestricted Stock Vesting; Stock Option ExerciseForm 144
24 August 2026Casper Marc NOfficer, Director275$172,43824 August 2026275 shares from 24 August 2026Fidelity Brokerage Services LLCStock Option ExerciseForm 144
21 August 2026Casper Marc NOfficer, Director10,000$6.3 million21 August 202620,000 shares from 20 August 2026Fidelity Brokerage Services LLCStock Option ExerciseForm 144
20 August 2026Casper Marc NOfficer, Director10,000$6.3 million20 August 2026None on Form 4 yetFidelity Brokerage Services LLCStock Option ExerciseForm 144
19 August 2026Britt Lisa P.Officer11,440$7.0 million19 August 202611,440 shares from 19 August 2026Fidelity Brokerage Services LLCStock Option ExerciseForm 144
11 August 2026Shafer Michael DOfficer25,500$15.3 million11 August 202625,500 shares from 11 August 2026Fidelity Brokerage Services LLCStock Option ExerciseForm 144
7 August 2026Holmes Joseph R.Officer420$245,6217 August 2026420 shares from 7 August 2026Fidelity Brokerage Services LLCStock Option ExerciseForm 144
7 August 2026Casper Marc NOfficer, Director4,883$2.8 million7 August 202619,883 shares from 6 August 2026Fidelity Brokerage Services LLCRestricted Stock Vesting; Stock Option ExerciseForm 144
6 August 2026Britt Lisa P.Officer5,850$3.4 million6 August 20265,850 shares from 6 August 2026Fidelity Brokerage Services LLCStock Option ExerciseForm 144
6 August 2026Casper Marc NOfficer, Director15,000$8.7 million6 August 202615,000 shares from 5 August 2026Fidelity Brokerage Services LLCRestricted Stock Vesting; Stock Option ExerciseForm 144
5 August 2026Casper Marc NOfficer, Director15,000$8.5 million5 August 2026No matching Form 4 saleFidelity Brokerage Services LLCRestricted Stock Vesting; Stock Option ExerciseForm 144
27 July 2026Pettiti GianlucaOfficer400$226,00027 July 2026400 shares from 27 July 2026Fidelity Brokerage Services LLCRestricted Stock VestingForm 144
29 May 2026Lagarde MichelFormer Officer45,940$22.4 million29 May 2026No matching Form 4 saleFidelity Brokerage Services LLCOptions Granted - 02/23/2021; Options Granted - 02/25/2020; Options Granted - 09/05/2019; Options Granted - 09/09/2020Form 144
27 May 2026Lowery Frederick M.Former Officer14,300$6.5 million27 May 2026No matching Form 4 saleFidelity Brokerage Services LLCOption Granted - 09/09/2020Form 144
27 April 2026Pettiti GianlucaOfficer400$185,06427 April 2026400 shares from 27 April 2026Fidelity Brokerage Services LLCRestricted Stock VestingForm 144
11 March 2026Shafer Michael DOfficer1,607$802,53611 March 20261,607 shares from 11 March 2026Fidelity Brokerage Services LLCRestricted Stock VestingForm 144
5 March 2026Casper Marc NOfficer, Director4,000$2.0 million5 March 20269,000 shares from 4 March 2026Fidelity Brokerage Services LLCOptions Granted - 02/25/2020Form 144
4 March 2026Casper Marc NOfficer, Director5,000$2.5 million4 March 20265,000 shares from 3 March 2026Fidelity Brokerage Services LLCOption Granted 02/25/2020Form 144
3 March 2026Casper Marc NOfficer, Director5,000$2.5 million3 March 2026No matching Form 4 saleFidelity Brokerage Services LLCOption Granted 02/25/2020Form 144
3 March 2026Williamson StephenOfficer6,000$3.0 million3 March 2026No matching Form 4 saleFidelity Brokerage Services LLCRestricted Stock VestingForm 144
9 February 2026Pettiti GianlucaOfficer400$216,4809 February 2026400 shares from 9 February 2026Fidelity Brokerage Services LLCRestricted Stock VestingForm 144
4 December 2025Lagarde MichelOfficer22,046$12.4 million4 December 202554,046 shares from 3 December 2025Fidelity Brokerage Services LLCOption Granted - 03/23/2017Form 144
3 December 2025Lagarde MichelOfficer32,000$18.7 million3 December 202530,000 shares from 2 December 2025Fidelity Brokerage Services LLCOption Granted - 07/20/2016Form 144
2 December 2025Lowery Frederick M.Officer6,912$4.0 million2 December 202513,825 shares from 1 December 2025Fidelity Brokerage Services LLCOption Granted - 02/26/2019Form 144
2 December 2025Lagarde MichelOfficer30,000$17.5 million2 December 2025No matching Form 4 saleFidelity Brokerage Services LLCOption Granted - 07/20/2016Form 144
1 December 2025Lowery Frederick M.Officer6,913$4.1 million1 December 2025No matching Form 4 saleFidelity Brokerage Services LLCOption Granted - 02/26/2019Form 144
25 November 2025Shafer Michael DOfficer10,725$6.4 million25 November 202510,725 shares from 25 November 2025Fidelity Brokerage Services LLCOptions Granted 02/26/2019; Options Granted 09/05/2019Form 144
13 November 2025Lagarde MichelOfficer4,638$2.8 million13 November 20254,638 shares from 13 November 2025Fidelity Brokerage Services LLCOption Granted 02/26/2019Form 144
12 November 2025Britt Lisa P.Officer1,058$622,13612 November 20251,058 shares from 12 November 2025Fidelity Brokerage Services LLCRestricted Stock VestingForm 144
10 November 2025Pettiti GianlucaOfficer2,975$1.7 million10 November 20252,975 shares from 10 November 2025Fidelity Brokerage Services LLCOption Granted 02/26/2019; Option Granted 09/05/2019Form 144
A Form 144 is the notice an insider files with the SEC before selling restricted or control shares over the Rule 144 thresholds; it says what may be sold, not what was.
Read moreValue is the filer's own aggregate market value. Sold, per Form 4: the same seller's open-market sales on Form 4 from the notice's date to 90 days after, added up, as they appear on the insiders page; a holder who files no Form 4, such as some large holders, never shows one. What is a Form 144?